<!doctype html>
<style>
.tableColumnGroup {
  display: table-column-group;
}
.tableCell {
  display: table-cell;
  border-style: ridge;
  will-change: transform;
}
</style>
<script>
function createAndAppendWithClass(targetType, targetClass) {
  var targetElement = document.createElement(targetType);
  targetElement.setAttribute('class', targetClass);
  document.documentElement.appendChild(targetElement);
}
createAndAppendWithClass('label', 'tableCell');
createAndAppendWithClass('aside', 'tableColumnGroup');
</script>
